<!DOCTYPE HTML>
<html>
<head>
  <title>Test bug 791616</title>
  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <script type="text/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
  <style>
#t {
    overflow: auto;
    position: absolute;
    left: 200px;
    top: 100px;
    font: 14px/1.3em "Consolas","Bitstream Vera Sans Mono","Courier New",Courier,monospace;
}
  </style>
</head>
<body>
<p id="display"></p>
<div id="t" contenteditable>
  <div>66666666666666</div>
  <div id="target">777777777777777777777777777777777777777</div>
</div>
</div>
<pre id="test">
<script class="testbody">
var t = document.getElementById("t");
var target = document.getElementById("target");
var sel = window.getSelection();
var smoothScrollPref = "general.smoothScroll";

SimpleTest.waitForExplicitFinish();
t.scrollTop = 0;
var targetY = target.getBoundingClientRect().top;

SimpleTest.waitForFocus(function() {
  SpecialPowers.pushPrefEnv({"set":[[smoothScrollPref, false]]}, runTest);
});
function runTest() {
    is(target.getBoundingClientRect().top, targetY, "Target should not have scrolled due to waitForFocus");
    t.focus();
    is(target.getBoundingClientRect().top, targetY, "Target should not have scrolled due to focus change");

    // Move the caret to scroll it into view
    sel.collapse(target.firstChild, 2);
    synthesizeKey("VK_LEFT", {});

    // Delay until next repaint in case stuff is asynchronous. Also
    // take a trip through the event loop.
    setTimeout(function() {
      window.requestAnimationFrame(function() {
        is(sel.anchorNode, target.firstChild, "Should have selected 'target' text node");
        is(sel.anchorOffset, 1, "Selection should have moved left one character");
        // We should not have needed to scroll the caret into view
        is(target.getBoundingClientRect().top, targetY, "Target should not have scrolled");
        SimpleTest.finish();
      });
      // Make sure repainting actually happens.
      target.style.background = "yellow";
    });
}
</script>
</pre>
</body>
</html>
